refactor: replace custom CRM with Monica fork

app/Http/Middleware/CheckVersion.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use PharIo\Version\Version;
+use App\Models\Instance\Instance;
+
+class CheckVersion
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        if (($version = config('monica.app_version')) !== '') {
+            $instance = Instance::first();
+
+            $appVersion = new Version($version);
+            $latestVersion = new Version($instance->latest_version ?? '0.0.0');
+            $currentVersion = new Version($instance->current_version ?? '0.0.0');
+
+            if ($latestVersion == $appVersion && $currentVersion != $latestVersion) {
+
+                // The instance has been updated to the latest version. We reset
+                // the ping data.
+
+                $instance->current_version = $instance->latest_version;
+                $instance->latest_release_notes = null;
+                $instance->number_of_versions_since_current_version = null;
+                $instance->save();
+            }
+        }
+
+        return $next($request);
+    }
+}